"You know what I really am happy about, because I've been saying it for a long time," Trump told supporters in his victory speech early Wednesday. "46 percent with the Hispanics ... number one with Hispanics!"

Despite the apparently impressive result, Hispanic voters only made up 8 percent of Republican caucus-goers in Nevada. By contrast, 19 percent of caucus-goers in Saturday's Democratic contest were Hispanic.

The Fox News Republican caucuses entrance poll was comprised of surveys of 1,573 voters at 25 precincts across Nevada.